Banana plugs are a sort {of electrical} connector that’s used to attach speaker wire to an amplifier or receiver. They’re a handy and easy-to-use method to make a safe connection, and so they also can assist to guard the speaker wire from harm.
Banana plugs are sometimes fabricated from brass or copper, and so they have a spring-loaded heart pin that makes it straightforward to insert and take away the plug from a speaker terminal. The plugs are additionally sometimes color-coded, with pink indicating the optimistic terminal and black indicating the detrimental terminal.